72262751
Jan 18, 1967
Jul 30, 1968
LIGHTING DEVICES-NAMELY, ELECTROLUMINESCENT LAMPS; POWER SUPPLIES FOR ELECTROLUMINESCENT LAMPS; DEVICES FOR CONTROLLING THE LIGHT INTENSITY OF ELECTROLUMINESCENT LAMPS, NAMELY, VARIABLE TRANSFORMERS, RHEOSTATS, AND VARIABLE OSCILLATORS; AND FIXTURES FOR ELECTROLUMINESCENT LAMPS
Housewares and Glass